Submission #1116889

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1116889	2024-11-22T14:13:58 Z	Sofiatpc	Xylophone (JOI18_xylophone)	C++17	47 / 100	168 ms	948 KB

xylophone

#include <bits/stdc++.h>
#include "xylophone.h"

using namespace std;

int v[5005];

int calc(int a, int b, int x, int y){
	if(abs(a-b) != y && x != y){
		if(a > b)return b-x;
		return b+x;
	}else{
		if(a > b)return b+x;
		return b-x;
	}
}

void solve(int n) {
	int l = 1, r = n;
	while(l!= r){
		int mid = (l+r+1)/2;
		if(query(mid,n) == n-1)l = mid;
		else r = mid-1;
	}

	v[l] = 1;
	v[l+1] = 1+query(l,l+1);

	for(int i = l+2; i <= n; i++)
		v[i] = calc(v[i-2],v[i-1], query(i-1,i), query(i-2,i));

	if(l != 1){
		v[l-1] = 1+query(l-1,l);
		for(int i = l-2; i >= 1; i--)
			v[i] = calc(v[i+2], v[i+1], query(i,i+1), query(i,i+2));
	}

	for(int i = 1; i <= n; i++)
		answer(i,v[i]);
}

Subtask #1

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	2 ms	336 KB	Output is correct
4	Correct	3 ms	336 KB	Output is correct
5	Correct	4 ms	336 KB	Output is correct
6	Correct	4 ms	336 KB	Output is correct
7	Correct	4 ms	336 KB	Output is correct
8	Correct	4 ms	336 KB	Output is correct
9	Correct	4 ms	336 KB	Output is correct
10	Correct	4 ms	336 KB	Output is correct
11	Correct	3 ms	336 KB	Output is correct
12	Correct	4 ms	336 KB	Output is correct
13	Correct	4 ms	336 KB	Output is correct
14	Correct	4 ms	336 KB	Output is correct
15	Correct	4 ms	336 KB	Output is correct

Subtask #2

36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	2 ms	336 KB	Output is correct
4	Correct	3 ms	336 KB	Output is correct
5	Correct	4 ms	336 KB	Output is correct
6	Correct	4 ms	336 KB	Output is correct
7	Correct	4 ms	336 KB	Output is correct
8	Correct	4 ms	336 KB	Output is correct
9	Correct	4 ms	336 KB	Output is correct
10	Correct	4 ms	336 KB	Output is correct
11	Correct	3 ms	336 KB	Output is correct
12	Correct	4 ms	336 KB	Output is correct
13	Correct	4 ms	336 KB	Output is correct
14	Correct	4 ms	336 KB	Output is correct
15	Correct	4 ms	336 KB	Output is correct
16	Correct	8 ms	336 KB	Output is correct
17	Correct	15 ms	336 KB	Output is correct
18	Correct	20 ms	336 KB	Output is correct
19	Correct	26 ms	336 KB	Output is correct
20	Correct	30 ms	436 KB	Output is correct
21	Correct	31 ms	336 KB	Output is correct
22	Correct	30 ms	436 KB	Output is correct
23	Correct	35 ms	336 KB	Output is correct
24	Correct	28 ms	336 KB	Output is correct
25	Correct	29 ms	500 KB	Output is correct
26	Correct	31 ms	592 KB	Output is correct
27	Correct	29 ms	336 KB	Output is correct
28	Correct	31 ms	336 KB	Output is correct
29	Correct	36 ms	336 KB	Output is correct
30	Correct	31 ms	436 KB	Output is correct

Subtask #3

0 / 53.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	2 ms	336 KB	Output is correct
4	Correct	3 ms	336 KB	Output is correct
5	Correct	4 ms	336 KB	Output is correct
6	Correct	4 ms	336 KB	Output is correct
7	Correct	4 ms	336 KB	Output is correct
8	Correct	4 ms	336 KB	Output is correct
9	Correct	4 ms	336 KB	Output is correct
10	Correct	4 ms	336 KB	Output is correct
11	Correct	3 ms	336 KB	Output is correct
12	Correct	4 ms	336 KB	Output is correct
13	Correct	4 ms	336 KB	Output is correct
14	Correct	4 ms	336 KB	Output is correct
15	Correct	4 ms	336 KB	Output is correct
16	Correct	8 ms	336 KB	Output is correct
17	Correct	15 ms	336 KB	Output is correct
18	Correct	20 ms	336 KB	Output is correct
19	Correct	26 ms	336 KB	Output is correct
20	Correct	30 ms	436 KB	Output is correct
21	Correct	31 ms	336 KB	Output is correct
22	Correct	30 ms	436 KB	Output is correct
23	Correct	35 ms	336 KB	Output is correct
24	Correct	28 ms	336 KB	Output is correct
25	Correct	29 ms	500 KB	Output is correct
26	Correct	31 ms	592 KB	Output is correct
27	Correct	29 ms	336 KB	Output is correct
28	Correct	31 ms	336 KB	Output is correct
29	Correct	36 ms	336 KB	Output is correct
30	Correct	31 ms	436 KB	Output is correct
31	Correct	74 ms	584 KB	Output is correct
32	Correct	114 ms	696 KB	Output is correct
33	Correct	168 ms	696 KB	Output is correct
34	Incorrect	166 ms	948 KB	Wrong Answer [2]
35	Halted	0 ms	0 KB	-